Generally Useful Stuff

https://compressor.io - Compress and optimize your images. Up to 90% file size reduction 😼

https://cors.now.sh - Reverse proxy with CORS headers. Example:

// The XKCD URL below doesn't allow CORS.
fetch('https://cors.now.sh/http://xkcd.com/info.0.json')
.then(console.log)
.catch(console.error)

Cloudinary - API / Hosted Image stuff. CDN, Transforms, etc.

• On the fly image notes. Concat base (1) with urlencoded (2) source: 0. Get your cloudname from Cloudinary and sub it below for demo
  1. http://res.cloudinary.com/demo/image/fetch/a_exif,c_limit,e_unsharp_mask:100,w_500/
  2. https://www.dropbox.com/s/qs4yvuf2aj5yngd/2012-09-28%2018.04.34%20HDR.jpg%3Fdl=1
  3. Voila, you have a link for 500px wide (limited) image, auto-rotated based on EXIF, and sharpened, image: http://res.cloudinary.com/demo/image/fetch/a_exif,c_limit,e_unsharp_mask:100,w_500/https://www.dropbox.com/s/qs4yvuf2aj5yngd/2012-09-28%2018.04.34%20HDR.jpg%3Fdl=1

httbin - HTTP Request & Response Service - Returns HTTP stuff back to you (GET, POST, etc)

strftime - Point and click-ified

regexr - Handy regex builder/tester/cheatsheet